Authors Huang, YZ; Zhang, Y; Li, JM; Ma, XD; Hu, MQ; Yang, Y; Gao, SF in LIPPINCOTT WILLIAMS & WILKINS published article about INHIBITORS; DISCOVERY; POTENT; ANGIOGENESIS; SAR in [Huang, Yuanzheng; Zhang, Yang; Li, Jiaming; Ma, Xiaodong; Hu, Mengqi; Yang, Yu; Gao, Sufan] Anhui Acad Chinese Med, Sch Pharm, Dept Pharmaceut Chem, Hefei, Anhui, Peoples R China; [Li, Jiaming; Ma, Xiaodong] Anhui Acad Chinese Med, Dept Med Chem, Hefei, Anhui, Peoples R China in 2019, Cited 18. COA of Formula: C5H4N2O2. The Name is Pyrazine-2-carboxylic acid. Through research, I have a further understanding and discovery of 98-97-5
A novel structural series of tetrahydroisoquinoline-based compounds that incorporate the diaryl urea moiety was designed, synthesized, and biologically evaluated as suppressors of VEFGR-2 signaling. As a consequence, compounds 9k and 9s exhibited comparable or superior cytotoxic activity to that of gefitinib against the tested three cell lines, including A549, MCF-7, and PC-3. Importantly, both of them downregulated the expression of VEGFR-2, and inhibited VEGFR-2 phosphorylation at the concentration of 0.5 or 1.0 mu mol/ l. Besides, they suppressed human umbilical vein endothelial cell tube formation at the concentration of 4.0 mu mol/ l. Considering their capability of down-regulating VEGFR-2 expression and inhibiting VEGFR-2 phosphorylation, 9k and 9s may serve as suppressors of angiogenesis for further investigation. Copyright (c) 2018 Wolters Kluwer Health, Inc. All rights reserved.
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Reference:
Patent; Chevron Research Company; US4732894; (1988); A;,
Pyrazine – Wikipedia,
Pyrazine | C4H4N2 – PubChem